Page({
    data: {
      items: ['苹果', '西瓜', '香蕉','龙眼','雪梨','榴莲','葡萄','香瓜','椰子'],
       seleIndex:1,
       seleText:'',
    },
    click:function(e){
      var btn = e.target.dataset,index=btn.index,text=btn.text;
      this.setData({seleIndex:index,seleText:text})
      // avctive = e.target.dataset
    }
  })